Nautilus U628 User manual

Type
User manual
1
Nautilus U628 Upright Bike Service Manual
8016789.091519.A
Service Manual
Section Code Section Page Number
1 Important Safety Instructions 2
1 Safety Warning Labels and Serial Number 3
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1 Earthing Instructions 3
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1 Leveling the Machine 5
1 Moving the Machine 5
1 Connectivity 6
1 Heart Rate Chest Strap Battery Replacement 6
1 Troubleshooting 7
1 Console Service Mode 10
1 Maintenance Parts Exploded View 13
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1 MCB Watts 15
1 Demonstration Mode/Studio Mode 16
1 Replacement Procedure Skill Level 16
Mechanical Procedures
2 Belt Tension Adjustment 17
Part Replacement
3 Console 20
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5 Crank Arms 26
6 Data Cable in the Console Mast 30
7 Drive Belt 33
8 EMS Engine 35
9 Handlebar Assembly 39
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13 RPM Sensor (Speed Sensor) 51
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15 Transport Wheels, Front Endcaps and Footpads 57
Table of Contents
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ORIGINAL DOCUMENT - ENGLISH VERSION ONLY
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2
Important Safety Instructions and General Troubleshooting
Information for the Nautilus U628 Bike $
Service Procedures
Important Safety Instructions
This icon means a potentially hazardous situation which, if not avoided, could result in death or serious injury. Read and
understand all Warnings on this machine.
Before servicing or using this equipment, obey the following warnings:
Read and understand the Service Manual before working on the machine. Failure to obey the instructions and safety warnings
could cause injury to the service technician or bystanders.
To reduce the risk of electrical shock or unsupervised usage of the equipment, always unplug this machine from the
electrical outlet immediately after using and before cleaning. Place the power cord in a secure location.
Keep bystanders and children away from the product being serviced at all times.
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Some components of the equipment can be heavy or awkward. Enlist the service of a second person when you do
maintenance steps involving these components. Do not try to do heavy or awkward steps on your own.
If replacement parts are necessary, use only genuine replacement parts and hardware supplied by Nautilus. Failure
to use genuine replacement parts can cause a risk to users, keep the machine from operating correctly and void the
warranty.
Be sure that all warning stickers and instructional placards applied to the product stay present and in good condition
when doing maintenance or replacing components. If at any time the Warning labels become loose, unreadable
or dislodged, replace the labels. If purchased in US/Canada, contact Customer Service for replacement labels. If
purchased outside US/Canada, contact your local distributor for them.
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Do not put the machine back in service until all shrouds, instructions, warning labels and correct functionality have
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Connect this machine to a properly grounded outlet only (see Earthing Instructions).
Keep the power cord away from heat sources and hot surfaces.
Do not operate where aerosol products are being used.
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Polar®2ZQ&RGH®*RRJOH3OD\8QGHU$UPRXU® and MyFitnessPal® are trademarks of their respective owners. App Store is a service mark of Apple Inc. The Bluetooth® word mark and logos
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NOTICE: This document provides important safety instructions, adjustments, and general troubleshooting information for the maintenance of
the Nautilus U628 Upright Bike.
If you need assistance, please contact Customer Service (if purchased in US/Canada) or your local distributor (if purchased
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This icon means a potentially hazardous situation which, if not avoided, could result in death or serious injury. Read and understand
all Warnings on this machine.
3
Safety Warning Labels and Serial Number
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is a date code: YY/WW (year/week).
Manufacture Date Code: YYWW
Earthing Instructions
This product must be electrically earthed. If a malfunction occurs, correct earthing decreases the risk of electric shock. The
power cord is equipped with an equipment-earthing conductor, and must be connected to an outlet that is properly installed
and earthed.
The electrical wiring must comply with all applicable local and provincial standards and
requirements. Incorrect connection of the equipment-earthing conductor can result in a risk of
electric shock. Consult a licensed electrician if you are not sure that the machine is correctly
earthed. Do not change the plug on the machine – if it does not fit the outlet, have a correct
outlet installed by a licensed electrician.
If you connect the machine to an outlet with RCBO (Residual-Current circuit Breaker with Overload protection), machine
operation can cause the circuit to trip. A Surge Protector Device is recommended to protect the machine.
If a Surge Protector Device (SPD) is used with this machine, be sure that it matches the power rating of
this equipment. Do not connect other appliances or devices to the surge protector in combination with
this machine.
Make sure that the product is connected to an outlet having the same configuration as the plug. No adapter should be used
with this product.
Serial number
Product
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4
Maintenance
Read all maintenance instructions fully before you start any repair work. In some conditions, an assistant is necessary to
do the necessary tasks.
Equipment must be regularly examined for damage and repairs. The owner is responsible to make sure that regular maintenance is
done. Worn or damaged components must be repaired or replaced immediately. Only manufacturer supplied components can be
used to maintain and repair the equipment.
If at any time the Warning labels become loose, unreadable or dislodged, replace the labels. If purchased in US/Canada, contact
Customer Service for replacement labels. If purchased outside US/Canada, contact our local distributor for them.
To reduce the risk of electrical shock or unsupervised usage of the equipment, always unplug this machine from the
electrical outlet immediately after using and before cleaning.
Daily: %HIRUHHDFKXVHH[DPLQHWKHH[HUFLVHPDFKLQHIRUORRVHEURNHQGDPDJHGRUZRUQSDUWV
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After each workout, use a damp cloth to wipe your machine and Console free of moisture.
Note:$YRLGH[FHVVLYHPRLVWXUHRQWKH&RQVROH
NOTICE: If necessary, only use a mild dish soap with a soft cloth to clean the Console. Do not clean
with a petroleum based solvent, automotive cleaner, or any product that contains ammonia.
Do not clean the Console in direct sunlight or at high temperatures. Be sure to keep the
Console free of moisture.
Weekly: Clean the machine to remove any dust, dirt, or grime from the surfaces. Check for smooth seat
slider operation. If needed, apply a very thin coating of silicone lube to ease operation.
Silicone lubricant is not intended for human consumption. Keep out of reach of children. Store in a safe
place.
Note: Do not use petroleum based products.
Monthly
or after 20 hours:
Check pedals and crank arms and tighten as necessary. Make sure all bolts and screws are tight.
Tighten as necessary.
When the machine is used in a Studio environment, we recommend that the Pedals be replaced every year to maintain maximum
user safety and performance. Only use replacement Pedals available from Nautilus. Other brands of Pedals may not be designed
for this product, and can cause danger to users and bystanders, and will void the warranty.
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Maximum User Weight: 147.4 kg (325 lbs.)
Total Surface Area (footprint) of equipment: 5670 cm2
Machine Weight: 39.3 kg (86.6 lbs.)
Power Requirements:
Operating Voltage: 220 - 240V AC, 50/60Hz
Operating Current: 2A
Heart Rate Chest Strap: 1 CR2032 battery
DO NOT dispose of this product as refuse. This product is
to be recycled. For proper disposal of this product, please
follow the prescribed methods at an approved waste
center.
61cm (24”)
148cm (58.3”)
98cm (38.6”)
5
Leveling Your Bike
Levelers are found on each side of the Rear Stabilizer.
Turn the stabilizer foot to adjust
Do not adjust the levelers to such a height that
they detach or unscrew from the machine.
Injury to you or damage to the machine can
occur.
Make sure the bike is level and stable before you
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Moving the Bike
To move the upright bike, carefully tilt the Handlebars toward you while
pushing the front of the bike downward. Push the bike to the desired
location.
NOTICE: Be careful when you move the bike. Abrupt motions can
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6
Bluetooth® Connectivity with the “Nautilus Trainer™” Fitness App
7KLV¿WQHVVPDFKLQHLVHTXLSSHGZLWK%OXHWRRWK® connectivity and can wirelessly sync with the “Nautilus Trainer™”
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distance, and more. It records and stores every workout for quick reference. Plus, it automatically syncs your workout data
with MyFitnessPal® and Under Armour® Connected Fitness to make hitting your daily calorie goal easier than ever! Track
your results and share with friends and family.
1. Download the free Software App, named Nautilus Trainer™. The software app is available on the App Store and
Google Play™.
Note: For a complete list of supported devices, review the software app on the App Store or Google Play.
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3. To sync your workout data with MyFitnessPal® or Under Armour® Connected Fitness, click on the desired program and
login with your information.
Note: The “Nautilus Trainer™” Fitness App will automatically sync your workouts after the initial syncing.
Workout with Other Fitness Apps
7KLV¿WQHVVPDFKLQHKDVLQWHJUDWHG%OXHWRRWK® connectivity which allows it to work with a number of digital partners. For
our latest list of supported partners, please visit: www.nautilus.com/partners
USB Charging
If a USB Device is attached to the USB Port, the Port will attempt to charge the Device.
Note: Depending on the amperage of device, the power supplied from the USB Port may not be enough to operate the
Device and charge it at the same time.
Heart Rate Chest Strap Battery Replacement
The heart rate (HR) chest strap uses a CR2032 battery.
!Do not perform this procedure outdoors or in moist or wet locations.
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and battery.
2. When replacing the battery, insert it in the battery bay with the + symbol
facing up.
3. Reinstall the cover on the strap.
4. Discard the old battery. Dispose of in accordance with local regulations and/
or at approved recycling centers.
5. Inspect your chest strap to ensure function.
Do not use until the equipment has been fully assembled and inspected for correct performance in
accordance with the Owner’s Manual.
CR2032
+
7
Troubleshooting
Condition/Problem Things to Check Solution
No display/partial display/
unit will not turn on
Check electrical (wall)
outlet
Make sure unit is plugged into a functioning wall outlet.
Check connection at front
of unit
Connection should be secure and undamaged. Replace power
cord or connection at unit if either are damaged.
Check Power Switch Turn on the power with the Power Switch.
Check data cable integrity All wires in cable should be intact. If any are visibly crimped or
cut, replace cable.
Check data cable
connections/orientation
Be sure cable is connected securely and oriented properly.
Small latch on connector should line up and snap into place.
Check console display for
damage
Check for visual sign that console display is cracked or other-
wise damaged. Replace Console if damaged.
Console Display ,I&RQVROHRQO\KDVSDUWLDOGLVSOD\DQGDOOFRQQHFWLRQVDUH¿QH
replace the Console.
If the above steps do not resolve the problem, contact Cus-
tomer Service (if inside US/Canada) or your local distributor (if
outside US/Canada).
Unit operates but Contact
HR not displayed
HR cable connection at
Console
Be sure cable is connected securely to Console.
Sensor grip Be sure hands are centered on HR sensors. Hands must be
kept still with relatively equal pressure applied to each side.
Dry or calloused hands 6HQVRUVPD\KDYHGLႈFXOW\ZLWKGULHGRXWRUFDOORXVHGKDQGV
A conductive electrode cream (heart rate cream) can help
make better conduct. These are available on the web or at
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Handlebar If tests reveal no other issues, Handlebars should be replaced.
Unit operates but
Telemetric HR not
displayed
Chest Strap (optional) Strap should be “POLAR®” compatible and uncoded. Make
sure strap is directly against skin and contact area is wet.
Chest Strap Batteries If strap has replaceable batteries, install new batteries.
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the WIRELESS HR setting and make sure that the current
value is set to ON.
Interference Try moving unit away from sources of interference (TV, Micro-
wave, etc).
Replace Chest Strap If interference is eliminated and HR does not function, replace
strap.
Replace Console If HR still does not function, replace Console.
Unit operates but
Telemetric HR displayed
incorrectly
Interference Make sure that the HR receiver is not blocked by a personal
electronic device in the left side of the media tray.
No speed/RPM reading,
Console displays “Please
Pedal” error code
Check data cable integrity All wires in cable should be intact. If any are cut or crimped,
replace cable.
Check data cable
connections/orientation
Be sure cable is connected securely and oriented properly.
Small latch on connector should line up and snap into place.
Check magnet position
(requires shroud removal)
Magnets should be in place on pulley.
Check Speed Sensor
(requires shroud removal)
Speed sensor should be aligned with magnets and connected
to data cable. Realign sensor if necessary. Replace if there is
any damage to the sensor or the connecting wire.
8
Condition/Problem Things to Check Solution
Resistance does not
change (machine turns on
and operates)
Batteries (if equipped) Replace batteries and check for proper operation.
Check Console Check for visual sign that Console is damaged. Replace Con-
sole if damaged.
Check data cable integrity All wires in cable should be intact. If any are visibly crimped or
cut, replace cable.
Check data cable
connections/orientation
Be sure cable is connected securely and oriented properly.
Reseat all connections. Small latch on connector should line up
and snap into place.
If the above steps do not resolve the problem, contact Cus-
tomer Service (if inside US/Canada) or your local distributor (if
outside US/Canada).
&RQVROHVKXWVRႇHQWHUV
sleep mode) while in use
Check electrical (wall)
outlet
Make sure unit is plugged into a functioning wall outlet.
Check connection at front
of unit
Connection should be secure and undamaged. Replace power
cord or connection at unit if either are damaged.
Check data cable integrity All wires in the cable should be intact. If any are cut or crimped,
replace cable.
Check data cable
connections/orientation
Be sure cable is connected securely and oriented properly.
Small latch on connector should line up and snap into place.
Reset Machine Unplug unit from electrical outlet for 3 minutes. Reconnect to
outlet.
Check magnet position
(requires shroud removal)
Magnets should be in place on pulley.
Check Speed Sensor
(requires shroud removal)
Speed sensor should be aligned with magnets and connected
to data cable. Realign sensor if necessary. Replace if there is
any damage to the sensor or the connecting wire.
Unit rocks/does not sit
level
Check leveler adjustment Adjust levelers until bike is level.
Check surface under unit $GMXVWPHQWPD\QRWEHDEOHWRFRPSHQVDWHIRUH[WUHPHO\XQ-
even surfaces. Move bike to level area.
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to pedal
Check pedal to crank arm
connection
Pedal should be tightened securely to crank. Ensure connec-
tion is not cross-threaded.
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connection
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connected at 180 degrees from each other.
Clicking sound when
pedaling
Check pedal to crank arm
connection
Remove pedals. Make sure there is no debris on threads, and
reinstall the pedals.
Seat post movement Check locking pin Be sure adjustment pin is locked into one of the seat post
adjustment holes.
Check adjustment knob Be sure knob is securely tightened.
Console continuously
cycles through program
screens
Console is in
demonstration mode
Hold down the PAUSE/END button and Left button together for
3 seconds.
Active User does not
change when User button
is pushed
Console is in studio mode Reset the Console (see Console Setup Mode).
If the above step does not resolve the problem, contact Cus-
tomer Service (if inside US/Canada) or your local distributor (if
outside US/Canada).
9
Condition/Problem Things to Check Solution
Workout results will not
sync with Bluetooth®
enabled device
Current console mode Machine must be in Idle Mode to sync. Push the PAUSE/END
button until the Power-Up Mode screen is displayed.
Total time of workout A workout must be longer than 1 minute to be saved and
posted by the Console.
Fitness machine Unplug unit from electrical outlet for 5 minutes. Reconnect to
outlet.
Bluetooth® enabled device Consult your device to be sure that the Bluetooth® wireless
feature has been enabled on it.
Fitness App 5HYLHZ6SHFL¿FDWLRQVRI)LWQHVV$SSDQGFRQ¿UP\RXUGHYLFH
is compatible.
Contact [email protected] (if inside US/Canada) or
your local distributor (if outside US/Canada) for further assis-
tance.
Workout results not post-
ing from Nautilus Trainer
App to MyFitnessPal®
account or Under Armour®
Connected Fitness
Sync accounts From the Menu icon on the Nautilus Trainer™ App, select the
Sync to MyFitnessPal® or Under Armour® Connected Fitness.
Sync fails Review account and password for MyFitnessPal® / Under Ar-
mour® Connected Fitness.
Contact [email protected] (if inside US/Canada) or
your local distributor (if outside US/Canada) for further assis-
tance.
10
Console Setup Mode
The Console Setup Mode lets you input the date and time, set the units of measurement to either English or Metric,
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1. Hold down the PAUSE/END button and Up Arrow button together for 3 seconds while in the Power-Up Mode to go
into the Console Setup Mode.
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2. The Console display shows the Date prompt with the current setting. To change, push the Increase/Decrease buttons
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active value (month / day / year).
3. Push OK to set.
4. The Console display shows the Time prompt with the current setting. Push the Increase/Decrease buttons to adjust
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(hour / minute / AM or PM).
5. Push OK to set.
6. The Console display shows the Units prompt with the current setting. To change, push OK to start the Units option.
Push the Increase/Decrease buttons to change between “MILES” (Imperial English units) and “KM” (metric units).
Note: If the units change when there is data in User Statistics, the statistics convert to the new units.
7. Push OK to set.
8. The Console display shows the Sound Settings prompt with the current setting. Push the Increase/Decrease buttons
to change between “ON” and “OFF”.
9. Push OK to set.
10. The Console display shows the TOTAL RUN HOURS for the machine.
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11. The Console display shows the Software Version prompt.
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13 . The Console will display the Power-Up Mode screen.
Console Service Mode (for Service Tech use only)
In Power-Up Mode (the “welcome user” screen), push and hold the PAUSE/END button and Up Arrow button for 4
seconds to enter the System menu (Console Setup Mode). In the System menu, press OK 4 times or until TOTAL RUN
HOURS displays on the screen, then push and hold the PAUSE/END and Up Arrow buttons for 4 seconds until “ENTR
MFG TST” appears on the screen to enter the Manufacturing Test menu.
In the Manufacturing Test menu, use the Down/Up Arrow buttons to move through the menu options. Push OK to make a
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If not correct display will be “NVM BD ID” or “NVM FAIL”.
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1. All segments on
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3. Lights the individual segments sequentially.
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CONSOLE SERVICE MODE
11
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If correct, “RTC PASS” will be displayed.
If not correct, “RTC FAIL” will be displayed.
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Place hands on heart rate grips. CHR = [contact heart rate] will be displayed.
Turn on wireless transmitter. WHR = [wireless heart rate] will be displayed.
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12
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the correct order.
Button test sequence
If the display shows an incorrect function, the overlay on the Console may be incorrect for that model. If the display
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within limits.
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If BLE module communication is valid and programmed, “PASS” will be displayed.
If not correct, “BLE FAIL” will be displayed.
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setup, user records and workout records will be reset to defaults.
To skip this option and keep the Console settings, push Down Arrow button.
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machine) and disconnect the Power Cord. Reconnect the Power Cord and turn on the Power Switch.
13
Maintenance Parts Exploded View
Your machine may differ. Use only as a guide.
J
A
B
C
C
D
E
F
G
H
I
K
M
N
P
Q
R
S
T
U
V
DD EE
II
II
O
FF
A
J
L
HH
GG
AA
W
YZ
X
D
CC
BB
F
AA
A Console M CHR Sensors Y RPM Sensor
B Console Mast N Seat Z Speed Sensor Magnet (8)
C Pedals O Seat Post w/ Slider AA Data Cable, Lower
D Crank Arms P Adjustment Knob BB Drive Belt
E Left Shroud Q Power Cord CC Drive Pulley
F Power Inlet/Power Switch R Water Bottle Holder DD Handlebar Mount Cover
G Right Shroud S Rear Stabilizer EE T-handle
H Top Shroud T Levelers FF Console Pivot Shroud
I Mast Gasket U Front Stabilizer GG Remote Resistance Control
J Data Cable, Upper V Transport Wheels HH Resistance Cable
K Handlebars W EMS Engine II Cover, Crank Disc
L HR Cable X Motor Control Board (MCB), Watts
14
Electrical Layout
AC
NLS U628/R628 Wiring Diagram
AC Power input
220V - 240V
Console
Contact
Heart Rate
(CHR) sensor
HR cable, 4Pin
I/O (Data)
cable, 6Pin
LN
Power inlet
cable
Resistance
Up
Down
Resistance
Up
Down
EMS
MCB,
Watts
RPM sensor
(magnetic reed switch)
RPM
Sensor
cable,
2Pin
Electromagnet
EMS Cable,
2Pin
Watts/
DC In
cable,
4Pin
Wireless
Heart Rate
Module
HR cable, 3Pin
15
Motor Control Board (MCB), Watts
MCB - right side view
MCB - back left view (MCB shown is on R628 bike)
EMS cable
Watts/DC In
cable
Potentiometer
EMS MCB
cable (line
and neutral)
EMS Engine
assembly
Watts/DC In
cable
EMS MCB Watts
assembly
EMS MCB cable
(line and neutral)
EMS
cable
I/O cable
(to Console)
RPM sensor
cable
16
REPLACEMENT PROCEDURE SKILL LEVEL
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Level III : Advanced - knowledgeable about mechanical procedures
!Disconnect all power to the machine before you service it.
When disposing of old parts, obey the applicable local and provincial requirements.
For instructions to replace the following parts, please refer to the Assembly Manual for your bike:
• Power Cord
• Seat
• Seat Post
• Front Stabilizer
• Rear Stabilizer
Water Bottle Holder
Demonstration Mode
Demonstration Mode is a feature on newer versions of the Console. It educates an observer about the console in a trade
show or retail environment. During Demonstration Mode, the Console will display each workout Program for 4 seconds from
a specific point of the workout. The Fitness machine ships with Demonstration Mode inactive.
1. With the machine at the Power-Up Mode screen, push and hold down the PAUSE/END button and the Left arrow button
for 3 seconds to shift the Console into the Demonstration Mode.
7RH[LW'HPRQVWUDWLRQPRGHpush and hold down the PAUSE/END button and the Left arrow button for 3 seconds.
Use of this Machine in a Studio (Non-Home) Environment
This fitness machine can be configured for use in a studio environment. When in Studio mode, the machine only has
one active User profile. All other User profiles are disabled. Any workout values displayed on the Console that reference
previous workouts, such as the Goal Track feature, will use a summary of past workouts.
To switch into the Studio (non-home) mode, push and hold down for 3 seconds the PAUSE/END and Decrease(d) buttons.
The Console will display STUDIO SET for three seconds, and then will display PWR CYCLE NOW. Turn the power off for a
few seconds, and then on. The Console will display STUDIO MODE when successfully shifted into Studio mode.
Note: Do not switch your machine into Studio mode unless the machine is in a non-home environment. The Console
must be reset to switch back into the Home mode. If the Console is reset, the Console setup, user records and
workout records will be reset to defaults.
17
Adjust the Belt Tension on the Nautilus
U628 Bike 6NLOO/HYHO,,
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Replacement Procedure
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NOTICE: This document provides instructions for the adjustment of the Drive Belt tension on the Nautilus U628 Upright Bike.
If you need assistance, please contact Customer Service (if purchased in US/Canada) or your local distributor (if purchased outside
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This icon means a potentially hazardous situation which, if not avoided, could result in death or serious injury. Read and understand
all Warnings on this machine.
Important Safety Instructions - Before servicing or using this equipment, obey the following warnings:
This icon means a potentially hazardous situation which, if not avoided, could result in death or serious injury. Read and understand all
Warnings on this machine.
!To reduce the risk of electrical shock or unsupervised usage of the equipment, always unplug the power cord from the wall out-
let and wait 5 minutes before cleaning, maintaining or repairing this machine. Place the power cord in a secure location.
• Read and understand the Part Replacement Procedure before working on the machine. Failure to obey the instructions and
safety warnings could cause injury to the service technician or bystanders.
Keep bystanders and children away from the product being serviced at all times.
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Some components of the equipment can be heavy or awkward. Enlist the service of a second person when you do
maintenance steps involving these components. Do not try to do heavy or awkward steps on your own.
If replacement parts are necessary, use only genuine replacement parts and hardware supplied by Nautilus. Failure to use
genuine replacement parts can cause a risk to users, keep the machine from operating correctly and void the warranty.
Be sure that all warning stickers and instructional placards applied to the product stay present and in good condition when
doing maintenance or replacing components. If at any time the Warning labels become loose, unreadable or dislodged,
replace the labels. If purchased in US/Canada, contact Customer Service for replacement labels. If purchased outside US/
Canada, contact your local distributor for them.
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Do not put the machine back in service until all shrouds, instructions, warning labels and correct functionality have been
YHUL¿HGDQGWHVWHGIRUFRUUHFWSHUIRUPDQFH
Tools Required (not included)
#2 Phillips screwdriver 13mm socket and wrench
Small flathead screwdriver 17mm open end wrench
Crank puller
6mm hex wrench
18
Note: Your machine may not match the image. For reference only.
1. Remove the Seat Post and Left Shroud from the Main
Unit. (Refer to the “Replace the Shrouds” procedure.) It is
not necessary to remove the Console and Mast. Slide the
Mast Gasket and Top Shroud up the Mast. Lean the Top
Shroud against the Seat Post mount to keep it clear of the
pulley assembly.
Note: It may be necessary to remove the Water Bottle
Holder.
2. To test the Drive Belt tension:
Push the Drive Belt downward at the midpoint (M)
between the pulleys and measure the distance. The
Drive Belt should have only 0.25” (0.64 cm) of give. See
Figure 1.
Or:
Hold the edges of the Drive Belt at the midpoint (M) and
twist it (see Figure 2). It should turn only 90 degrees
(1/4 turn, to vertical).
If the tension is correct, go to Step 6.
If the tension is too loose or too tight, adjust the position of the Belt
Tensioner. Continue to Step 3.
!Disconnect all power to the machine before you service it.
NOTICE: It is necessary to remove the Shrouds for this procedure. Refer to the “Replace the Shrouds” procedure.
Figure 1 - U628 left side
Figure 2
M
0.25”
0.64 cm}
M
A
19
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wrench and a 17mm wrench to loosen the Tensioner
Assembly Hardware (A) that attaches the Tensioner
Assembly to the EMS Engine bracket.
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outside and turn the nut from the inside.
4. Adjust the angle of the Belt Tensioner arm as necessary
to adjust the tension. Hold it in position and tighten the
hardware.
Note: This step may require two people.
5. Carefully turn the crank arm and check the movement of
the drive belt. The Crank Arms and Flywheel should move as
one.
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when you turn the Drive Pulley.
Adjust the belt tension again if necessary.
6. Reassembly is the reverse procedure.
NOTICE: Be sure not to crimp any cables.
7. Final Inspection
Inspect your machine to ensure that all hardware is tight and
components are properly assembled.
!Do not use until the machine has been fully
assembled and inspected for correct performance
in accordance with the Owners Manual.
A
Tensioner
pulley
Tensioner
arm
EMS engine
bracket
20
Replace the Console on the
Nautilus U628 and R628 Bikes 6NLOO/HYHO,
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Replacement Procedure
NOTICE: This document provides instructions for the replacement of the Console on the Nautilus U628 Upright Bike and R628 Recumbent Bike.
If you need assistance, please contact Customer Service (if purchased in US/Canada) or your local distributor (if purchased outside
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Tools Required (not included)
#2 Phillips screwdriver
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This icon means a potentially hazardous situation which, if not avoided, could result in death or serious injury. Read and understand
all Warnings on this machine.
Important Safety Instructions - Before servicing or using this equipment, obey the following warnings:
This icon means a potentially hazardous situation which, if not avoided, could result in death or serious injury. Read and understand all
Warnings on this machine.
!To reduce the risk of electrical shock or unsupervised usage of the equipment, always unplug the power cord from the wall out-
let and wait 5 minutes before cleaning, maintaining or repairing this machine. Place the power cord in a secure location.
• Read and understand the Part Replacement Procedure before working on the machine. Failure to obey the instructions and
safety warnings could cause injury to the service technician or bystanders.
Keep bystanders and children away from the product being serviced at all times.
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Some components of the equipment can be heavy or awkward. Enlist the service of a second person when you do
maintenance steps involving these components. Do not try to do heavy or awkward steps on your own.
If replacement parts are necessary, use only genuine replacement parts and hardware supplied by Nautilus. Failure to use
genuine replacement parts can cause a risk to users, keep the machine from operating correctly and void the warranty.
Be sure that all warning stickers and instructional placards applied to the product stay present and in good condition when
doing maintenance or replacing components. If at any time the Warning labels become loose, unreadable or dislodged,
replace the labels. If purchased in US/Canada, contact Customer Service for replacement labels. If purchased outside US/
Canada, contact your local distributor for them.
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Do not put the machine back in service until all shrouds, instructions, warning labels and correct functionality have been
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Nautilus U628 User manual

Type
User manual

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